• Sealing ring / standard: metal hard seal in accordance with en 12334 Part 3

• Distance between flange faces: according to en 558, basic series 14 (DIN 3202, F4)

• Flanges at both ends meet en 1092-2 standard

• Compact design

• The stroke is reduced by about 30% by quick closing with an oblique seat

• Corrosion and wear resistant sealing seat

• There are no movable parts outside the valve

• Automatic operation of valve plate, small pressure loss

• Valve body: ductile iron en-gjs-400-15 (ggg-40)

• Shaft sleeve: dezincified bronze

• Valve seat: high density alloy surfacing, polishing treatment

• Check valve plate: ductile iron en-gjs-400-15 (ggg-40)

• Check valve shaft: stainless steel 1.4021

Internal and external epoxy resin spraying

Sealed check valve with oblique seat to reduce closing time, special shape of valve plate facilitates valve opening. Dampers can also be built in to reduce the impact of water hammer. The minimum flow rate of valve opening is 1.5 m / s. The product can be used in water treatment, water distribution network, sewage pretreatment, power plant and industrial fields.